A method for inspection of tubes in a boiler is disclosed. The method of inspecting includes the steps of providing an apparatus having a sensor and a housing adapted to contain the sensor. The method further including the steps of extending the apparatus into a tube bundle until a desired tube for inspection is reached; rotating the apparatus until the sensor is positioned over the tube to be inspected; clamping the housing around the tube to be inspected, thereby clamping the sensor around the tube; transmitting a pulse of guided waves into the tube to be inspected and detecting reflected signals; and acquiring data from the reflected signals and determining the condition of the tube.
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June 18, 2015
August 14, 2018
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